Home / 3,519.86-4,853.32-2,854.64

Finding the Fourth Proportional to 3,519.86, 4,853.32 and 2,854.64

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Solution

The fourth proportional to 3,519.86, 4,853.32 and 2,854.64 is: 3,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.86 : 4,853.32 = 2,854.64 : x
  2. Step 2: Convert to fraction form
    3,519.86/4,853.32 = 2,854.64/x
  3. Step 3: Cross multiply
    3,519.86x = 4,853.32 × 2,854.64
  4. Step 4: Simplify right side
    3,519.86x = 13,854,486.40
  5. Step 5: Solve for x
    x = 13,854,486.40/3,519.86
  6. Step 6: Final answer
    x = 3,936.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.